consult the features included on the two new insulation multimeters in the comparison chart below to help select the best tool for your application:

feature 1587 1577 insulation test voltages 50v, 100v, 250v, 500v, 1000v • insulation test voltages 500v, 1000v • insulation test: 0.01 mω to 2.0 gω • insulation test: 0.1 mω to 600 mω • auto discharge of capacitive voltage • • insulation test smoothing reading • frequency • capacitance • diode test • temperature • min/max • low pass filter (for work on vsd's) • ac/dc voltage • • dc millivolts • • ac/dc milliamps • • resistance (0.1 ω to 50 mω) • • continuity • • three-year warranty • • remote probe, test leads, alligator clips • • k-type thermocouple • rugged, utility hard case • • auto power off to save battery power • • true-rms • • large display with backlight • • live circuit detection prevents insulation test if voltage > 30 v is detected for added user protection • • cat iii 1000v, cat iv 600v measurement category • • accepts optional fluke tpaktmmagnetic hanging system to free your hands for other work • •

specifications
voltage dc	maximum voltage: 1000 v accuracy: 1577: ±(0.2%+2) 1587: ±(0.09%+2) maximum resolution: 0.001v
voltage ac	maximum voltage: 1000 v accuracy: 1577: ±(2%+3) 1587: ±(2%+3) ac bandwidth: 1587: 5khz* *with low pass filter; 3db @ 800 hz maximum resolution: 0.1 mv
current dc	maximum amps: 400ma amps accuracy: 1577: ±(1.0%+2) 1587: ±(0.2%+2) maximum resolution: 0.01 ma
current ac	maximum amps: 400ma amps accuracy: 1577: ±(2.0%+2)* 1587: ±(1.5%+2)* * 1khz bandwidth maximum resolution: 0.01 ma
resistance	maximum resistance: 50 mω accuracy: 1577: ±(1.2%+2) 1587: ±(0.9%+2) maximum resolution: 0.1ω
capacitance(1587 only)	maximum capacitance: 9,999 µf accuracy: ±(1.2%+2) maximum resolution: 1 nf
frequency (1587 only)	maximum frequency: 100 khz accuracy: ±(0.1%+1) maximum resolution: 0.01 hz
temperature measurement (1587 only)	-40.0 °c to 537 °c -40.0 °f to 998 °f excluding probe
diode test (1587 only)	range: 6 v resolution: 1 mv accuracy: ±(2 % + 1)

insulation test
minimum test current @ 1kω/v:	1ma
test voltages:	1577: 500, 1000 v 1587: 50, 100, 250, 500, 1000 v
maximum resistance per test voltage:	50v: 100v: 250v: 500v: 1000v: 1577: 600 mω 1587: 2 gω
maximum resolution per test voltage:	50v: 0.01 mω 100v: 0.01 mω 250v: 0.1 mω 500v: 0.1 mω 1000v: 0.1 mω
accuracy per test voltage:	50v: ±(3 % + 5) 100v: ±(3 % + 5) 250v: ±(1.5 % + 5) 500v: 1577: ±(2.0 % + 5) 1587: ±(1.5 % + 5) 1000v: 1577: ±(2.0 % + 5) 1587: ±(1.5 % + 5) to 600 mω, ±(10 % + 3) above 600 mω

environmental specifications
operating temperature	–20 °c to +55 °c
storage temperature	-40°c to +60°c
humidity (without condensation)	0% - 95% (10 °c – 30 °c) 0% - 75% (30 °c – 40 °c) 0% - 40% (40 °c – 55 °c)
operating altitude	2000 m

safety specifications
overvoltage category	complies with ansi/isa 82.02.01 (61010-1) 2004, can/csa-c22.2 no. 61010-1-04, and iec/en 61010-1 2nd edition for measurement cat iii 1000 v and cat iv 600 v
agency approvals	2000 m cat iii 1000 v, cat iv 600 v; 3000 m cat ii 1000 v, cat iii 600 v

mechanical & general specifications
size	203 x 100 x 50 mm (with holster)
weight	624 g
warranty	3 years
battery life alkaline	meter use: 1000 hours insulation test use: meter can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature. these are standard tests of 1000 v into 1 mω with a duty cycle of 5 seconds on and 25 seconds off.
ip rating	ip40

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